Debt (Details Textuals 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 02, 2011
Debt Instrument [Line Items]
Deferred financing cost	$ 4,779
2011 Term Loan Agreement [Member]
Debt Instrument [Line Items]
Senior secured term loan facility	200,000
Credit commitments for incremental term loan facility, maximum	100,000
Term loan outstanding	200,000
Outstanding Term Loan	500
Interest rate on notes payable	Euro LIBOR plus 2.75%
Weighted Average Annual Interest Rate	4.50%
Term loan amount outstanding under interest rate 3.75%	80,000
Interest rate for partly term loan one	3.75%
Term loan amount outstanding under interest rate 5.00%	$ 120,000
Interest rate for rest of term loan one	5.00%
Prepayment fees, percentage	1.00%
Maximum equity ownership in first-tier foreign subsidiaries to be considered in first priority lien	66.00%
Interest rate on notes payable	Interest rate floor of 1.00%